Topic Summaries

DNA

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Plant disease and monoclonal antibodies

The brain and the eye

Reproductive hormones and plant hormones

Genetic engineering and modification

Resource cycles and environmental change

  • The genetic material in the nucleus of a cell is made up of a chemical called DNA which is made up of two strands forming a double helix.
  • The DNA is contained in structures called chromosomes, and a gene is a small section of DNA on a chromosome.
  • Each gene codes for a sequence of amino acids that makes a specific protein.
  • The genome is the entire genetic material of an organism.

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